Efficient CCA-Secure CDH Based KEM Balanced between Ciphertext and Key

被引：0

作者：

Liu, Yamin ^{[1
]}

Li, Bao ^{[1
]}

Lu, Xianhui ^{[1
]}

Jia, Dingding ^{[1
]}

机构：

[1] Chinese Acad Sci, Grad Univ, State Key Lab Informat Secur, Beijing 100049, Peoples R China

来源：

INFORMATION SECURITY AND PRIVACY | 2011年 / 6812卷

关键词：

computational Diffie-Hellman; twin Diffie-Hellman; key encapsulation mechanism; standard model; COMPUTATIONAL DIFFIE-HELLMAN; ENCRYPTION; ATTACK;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper we construct an efficient CCA-secure key encapsulation scheme in the standard model. The new scheme is based on the computational Diffie-Hellman assumption and the twinning technique; which has been widely discussed in recent years. Compared with previous schemes of the same kind, the new scheme is more generic, and offers a simple approach for reconciling ciphertext length and key size by altering a parameter. Choosing a reasonable value for the parameter, a balance between the ciphertext length and key size could be achieved.

引用

页码：310 / 318

页数：9

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